Here is a light kit made with hunters in mind. The FOXPRO Gunfire comes with 3 colors (G,W, IR), brightness control, and a convenient focus ring. The Gunfire has an all metal construction and runs on 18650 batteries. It has a lightweight design not to get in your way. The light has up to 380 lumens output (white color in flood mode).
This kit ships with a pistol grip light holder, scope mounting bracket, adapters, an EVA foam soft shell case, and everything you need to get going.